[Bug target/127720] x86/F16C: scalar _Float16 to double uses __extendhfdf2 instead of widening through float

[jakub at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127720

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 65752
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=65752&action=edit
gcc17-pr127720.patch

Untested fix.